1 x 2D528B ( 2Д528Б ) USSR Microwave Step Recovery Selenium Diode 200GHz

Description

2D528B ( 2Д528
Б
(rus name) ) USSR Microwave Step Recovery Selenium Diode 200GHz
Are intended for pulse shaping of subnanosecond pulses.
Metal-ceramic body, Gold plated
Lot of 1 pcs
New never used  / NOS / Old Stock
In electronics, a step recovery diode (SRD) is a semiconductor junction diode having the ability to generate extremely short pulses. It is also called snap-off diode or charge-storage diode or memory varactor, and has a variety of uses in microwave electronics as pulse generator or
parametric amplifier. When diodes switch from forward conduction to reverse cut-off, a reverse current flows briefly as stored charge is removed.
It is the abruptness with which this reverse current ceases which characterises the step recovery diode.
Maximum operating frequency                  200GHz
Switching-off time                                  70 ps
Minority Carrier Lifetime                          15ns
Terminal Capacitance (UR = 10V)             0.8pF
Case Capacitance                                       0.18pF
Terminal Inductance                                  0.4nH
Forward Voltage                                        0.8 - 1V
Reverce Voltage                                         20V
Forward Current                                        15mA
Forward Current Pulse                              200 mA
Reverce Current  Pulse                              400mA
Temperature range                                 -60...+125 C
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